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Finding the Fourth Proportional to 2,665.62, 4,000.52 and 1,849.64

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Solution

The fourth proportional to 2,665.62, 4,000.52 and 1,849.64 is: 2,775.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665.62 : 4,000.52 = 1,849.64 : x
  2. Step 2: Convert to fraction form
    2,665.62/4,000.52 = 1,849.64/x
  3. Step 3: Cross multiply
    2,665.62x = 4,000.52 × 1,849.64
  4. Step 4: Simplify right side
    2,665.62x = 7,399,521.81
  5. Step 5: Solve for x
    x = 7,399,521.81/2,665.62
  6. Step 6: Final answer
    x = 2,775.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.